English verb conjugation MUST CHUM

Regular verb: chum - chummed - chummed

Affirmation

Simple form

I must chum
you must chum
he must chum
we must chum
you must chum
they must chum

V-ing form

I must be chumming
you must be chumming
he must be chumming
we must be chumming
you must be chumming
they must be chumming

Perfect

I must have chummed
you must have chummed
he must have chummed
we must have chummed
you must have chummed
they must have chummed

V-ing perfect

I must have been chumming
you must have been chumming
he must have been chumming
we must have been chumming
you must have been chumming
they must have been chumming

Negation

Simple form

I mustn't chum
you mustn't chum
he mustn't chum
we mustn't chum
you mustn't chum
they mustn't chum

V-ing form

I mustn't be chumming
you mustn't be chumming
he mustn't be chumming
we mustn't be chumming
you mustn't be chumming
they mustn't be chumming

Perfect

I mustn't have chummed
you mustn't have chummed
he mustn't have chummed
we mustn't have chummed
you mustn't have chummed
they mustn't have chummed

V-ing perfect

I mustn't have been chumming
you mustn't have been chumming
he mustn't have been chumming
we mustn't have been chumming
you mustn't have been chumming
they mustn't have been chumming

Interrogative form

Simple form

must I chum?
must you chum?
must he chum?
must we chum?
must you chum?
must they chum?

V-ing form

must I be chumming?
must you be chumming?
must he be chumming?
must we be chumming?
must you be chumming?
must they be chumming?

Perfect

must I have chummed?
must you have chummed?
must he have chummed?
must we have chummed?
must you have chummed?
must they have chummed?

V-ing perfect

must I have been chumming?
must you have been chumming?
must he have been chumming?
must we have been chumming?
must you have been chumming?
must they have been chumming?

Interro-negative form

Simple form

mustn't I chum?
mustn't you chum?
mustn't he chum?
mustn't we chum?
mustn't you chum?
mustn't they chum?

V-ing form

mustn't I be chumming?
mustn't you be chumming?
mustn't he be chumming?
mustn't we be chumming?
mustn't you be chumming?
mustn't they be chumming?

Perfect

mustn't I have chummed?
mustn't you have chummed?
mustn't he have chummed?
mustn't we have chummed?
mustn't you have chummed?
mustn't they have chummed?

V-ing perfect

mustn't I have been chumming?
mustn't you have been chumming?
mustn't he have been chumming?
mustn't we have been chumming?
mustn't you have been chumming?
mustn't they have been chumming?

Page top